net: ipa: use upper_32_bits()

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Use upper_32_bits() to extract the high-order 32 bits of a DMA
address.  This avoids doing a 32-position shift on a DMA address
if it happens not to be 64 bits wide.  Use lower_32_bits() to
extract the low-order 32 bits (because that's what it's for).

Suggested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Alex Elder 2021-03-18 13:59:28 -05:00 • committed by David S. Miller

parent d2fd2311de

commit 3c54b7be5d

1 changed files with 6 additions and 8 deletions

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14

drivers/net/ipa/gsi.c

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